Use two separate checks. First establish where your installed rippled build came from and compare its version with current official XRPL release and installation material. Then check the node’s runtime trust and synchronization state with rippled validators and rippled server_info. The runtime commands can show trusted validator-list publishers, validator keys, quorum, list expiration and ledger availability; they cannot prove that the executable on disk is authentic or has not been modified.
That distinction matters because an XRP Ledger Unique Node List (UNL) describes which validators a server trusts for consensus. It is network configuration, not a software-supply-chain attestation.
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What “trusted software” means on the XRP Ledger
Operators often use “trusted” to mean two different things. Keeping those meanings separate prevents a healthy-looking node from being mistaken for a verified installation.
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| Question | What you are checking | Evidence available from the documented checks |
|---|---|---|
| Is the installed software from the expected release channel? | Build identity, version, package or source origin, and any publisher signature or checksum supplied by that channel. | Record the installed build and compare it with current official XRPL release and installation guidance. The official material reviewed here does not provide a complete, current binary-signature or checksum procedure. |
| Is the node using the intended consensus trust configuration? | Publisher-list signatures, trusted publisher keys, validator keys, quorum and list expiration. | rippled validators reports these operational details. |
| Is the server participating and synchronized? | Whether ledger history is available and the server has a populated range of complete ledgers. | rippled server_info, especially complete_ledgers, provides this health signal. |
A valid list signature authenticates the validator-list data published by a trusted list publisher. It does not authenticate the local rippled binary. Treat provenance and runtime state as separate evidence streams and document both.
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1. Identify the installed build before checking runtime state
Record the software identity
On the machine that runs the validator or node, record the installed rippled version and build information using the version-identification method supplied by the installation channel you used. Preserve the exact output, package name and architecture in your operations notes. If the node is containerized or managed by a distribution package, record the image or package version as well as the application version.
Do not infer authenticity from a version string alone. A modified executable can report an otherwise plausible version, and a correctly named package can come from an unexpected repository. The version is an identity claim to compare, not a cryptographic proof.
Compare with current official release material
Check the version against the current official XRPL release repository and installation guidance available when you perform the review. Confirm that the release channel, operating-system package source or container source matches the channel selected by your organization. If the official channel publishes a signature, checksum or reproducible-build instruction, follow that channel’s exact procedure and retain the result. Do not substitute a checksum copied from an unverified mirror, and do not invent a verification command when the channel has not documented one.
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2. Inspect the validator-list configuration
Understand the two kinds of keys
The example configuration file validators-example.txt separates validator-list publishers from the validator keys contained in the lists they publish. The [validator_list_sites] section names list endpoints. The [validator_list_keys] section contains trusted publisher keys. A fetched list is considered only when it carries a valid signature from a trusted publisher key.
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Publisher authentication answers, “Did a trusted publisher sign this list?” The validator keys inside the signed list answer, “Which validators does this publication recommend?” They are different key sets and should be logged separately in an audit record.
Check the endpoint and publisher key together
Review the active configuration rather than relying on an old template. The current example configuration observed for this guidance names https://unl.xrplf.org and publisher key ED42AEC58B701EEBB77356FFFEC26F83C1F0407263530F068C7C73D392C7E06FD1. Because endpoints, keys and expiration dates can change, verify the current upstream example and runtime output before copying either value into production.
Make sure the endpoint you intend to use is actually present in the running server’s configuration, not merely in a sample file on disk. After editing configuration, use your normal controlled restart procedure and then inspect the resulting validator-list state. A configuration file that has not been loaded by the running process is not evidence of the node’s active trust state.
Avoid hand-maintained production validator keys
The official example says: “Manually listing validator keys is not recommended for production networks.” A hand-maintained list can become stale, omit newly recommended validators or create an overlap problem when combined with another list. Use signed publisher lists as intended by the configuration guidance unless you have a documented, reviewed reason to do otherwise.
The same example warns that inadequate overlap between lists can lead to contradictory validated ledgers. If you configure multiple publishers, evaluate their overlap and threshold behavior rather than assuming that adding another list automatically improves resilience.
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3. Run rippled validators and read the result
Run the documented administrative command:
rippled validatorsUse the command on the server whose trust configuration you are auditing. Capture the complete output with a timestamp. The XRPL Foundation migration instructions use this method to review publisher-list availability and expiration, trusted validator keys, quorum and validator-list status.
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Check whether each configured list is available and whether its expiration is still in the future. An unavailable list may indicate a network, DNS, endpoint or configuration problem; an expired list means the server should not treat it as current trust information. Do not replace an expired date with a date from an old article or a copied sample.
The migration guidance uses an active list status as the expected operational condition. Treat “active” as a state to verify in your own output, not as a permanent target value or a guarantee that the underlying binary is genuine.
Trusted publisher keys
Confirm that the publisher key shown by the command matches the key authorized by your current configuration and upstream guidance. A mismatch can mean that the intended publisher was not loaded, the configuration was edited incorrectly or the upstream publisher has changed. Resolve the source of the mismatch before treating the list as trusted.
Validator keys and quorum
Review the validator keys actually accepted from the signed list and the quorum reported for the server. Quorum is a property of the node’s configured trust set; it is not a network-wide performance statistic. The sample counts and quorum values in the 2025 migration instructions were examples for that historical configuration and may not match current lists.
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What a successful command does not establish
A clean validators response establishes useful facts about list signatures and active configuration. It does not show who built the executable, whether files on disk were replaced after installation or whether the host has been compromised. Keep the command output in the runtime section of your audit, separate from package-provenance evidence.
4. Run rippled server_info to check synchronization
Run:
rippled server_infoInspect the complete_ledgers field. The documented migration procedure recommends looking for a valid range of complete ledgers. A populated range indicates that ledger history is available and that the node has synchronized sufficiently to report that history.
Interpreting an empty or incomplete range
If complete_ledgers is empty, missing or not a valid range, treat the node as not yet synchronized or unable to provide the expected history. Check connectivity, storage and the server’s broader operational logs using your normal runbook, then rerun server_info. Do not use a newly started node’s lack of complete history as evidence that its software is untrusted; it is a synchronization signal that needs separate diagnosis.
Why synchronization is only a health signal
A node can synchronize while running an executable obtained from an unapproved source. Conversely, a correctly installed binary can report incomplete ledgers during startup or after a storage failure. Use server_info to answer the ledger-availability question, not the software-origin question.
5. Account for the validator-list migration deadline
XRPL Foundation migration guidance dated June 2, 2025 instructed operators using the old Foundation list to update the endpoint and publisher key, restart rippled and inspect rippled validators. That guidance stated that the old list would expire on January 18, 2026. That deadline has passed, so an operator reviewing a node now should treat reliance on the old list as an urgent configuration issue rather than as a future migration task.
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Use the current configuration, not a frozen example
The endpoint and publisher key shown above are present in the current example observed for this guidance, but list status and expiration are live properties. Verify the present upstream configuration and then confirm the result in your own validators output. Do not hard-code a historical expiration date or assume that a list active in 2025 remains active today.
Safe migration sequence
- Record the running
rippledversion and back up the active configuration. - Obtain the current official validator-list endpoint and publisher key from upstream material.
- Update the corresponding list-site and publisher-key settings in the configuration, preserving a reviewable change record.
- Restart
rippledthrough your controlled service procedure. - Run
rippled validatorsand verify publisher availability, trusted keys, quorum, status and expiration. - Run
rippled server_infoand verify thatcomplete_ledgersreports a valid range. - Keep the command output with the release and configuration records so a later reviewer can distinguish a list change from a software upgrade.
The 2025 guidance warned that nodes relying only on the expired list could stop connecting. It also noted that some multiple-list threshold configurations could experience disruption. If you use more than one list, test the resulting overlap and threshold behavior after the change rather than assuming that a second list eliminates migration risk.
Common outcomes and the next action
| Observed result | What it tells you | Next action |
|---|---|---|
| List status is active, publisher signature is accepted, and expiration is current. | The configured validator-list data passes the documented runtime trust checks. | Continue with build-origin review and server_info; this result does not authenticate the executable. |
| List is unavailable or expired. | The node lacks current publisher-list data from that source. | Check the endpoint, network access and current upstream configuration, then reload or restart using your change procedure and rerun validators. |
| Publisher key does not match the intended configuration. | The running trust configuration may differ from the one you reviewed. | Compare the active file with the current official example and investigate any unauthorized change before relying on the list. |
| Validator keys or quorum differ from an old migration example. | Historical sample values are not universal current targets. | Use the current signed list and current command output, not the old sample counts. |
complete_ledgers is not a valid range. |
Ledger history is unavailable or synchronization is incomplete. | Investigate node health and storage or connectivity, then rerun server_info. |
| All runtime checks pass, but package origin is unknown. | Network trust and synchronization look healthy; software provenance remains unverified. | Trace the installation source and apply any publisher-integrity procedure documented by that release channel. |
What these checks cannot prove
- They cannot prove that the installed
rippledexecutable came from an official builder. - They cannot prove that a package, container image or binary was not modified after download.
- They cannot prove that the host, credentials or operating system are uncompromised.
- They cannot turn a validator-list signature into a signature on the software binary.
- They cannot establish a current public performance or uptime ranking for validators. The older XRP Validator Registry wiki page is marked deprecated and should not be treated as an active performance checker without new authoritative confirmation.
If your policy requires cryptographic binary provenance, obtain the exact current procedure from the official release or installation channel used by your organization. The documented runtime commands are necessary operational checks, but they are not a substitute for that procedure.
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For each review, save one dated record containing:
- The node identity, operating environment and installed
rippledversion or build output. - The package, image or source channel used for installation and any available release-integrity result.
- The active validator-list endpoints and trusted publisher keys.
- The full output of
rippled validators, including list availability, status, expiration, validator keys and quorum. - The full output of
rippled server_info, includingcomplete_ledgers. - Any configuration change, restart time and migration decision.
This record lets a reviewer answer three different questions without conflating them: where the software came from, which signed validator lists the node accepts and whether the node currently has ledger history. A node should be called “running trusted software” only when your organization’s provenance requirements are satisfied in addition to the runtime checks.
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